Douglas F. Edwards

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Jackson County, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Flow adjustment mechanism for air distribution systems
- Patent number 4,356,963
- Issue date Nov 2, 1982
- Tempmaster Corporation
- Douglas F. Edwards
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Flow adjustment mechanism for air distributor systems
- Patent number 4,312,475
- Issue date Jan 26, 1982
- Tempmaster Corporation
- Douglas F. Edwards
- F24 - HEATING RANGES VENTILATING